| 1 | EESchema Schematic File Version 4\r |
| 2 | LIBS:trav-cache\r |
| 3 | EELAYER 26 0\r |
| 4 | EELAYER END\r |
| 5 | $Descr A4 11693 8268\r |
| 6 | encoding utf-8\r |
| 7 | Sheet 2 2\r |
| 8 | Title ""\r |
| 9 | Date ""\r |
| 10 | Rev ""\r |
| 11 | Comp ""\r |
| 12 | Comment1 ""\r |
| 13 | Comment2 ""\r |
| 14 | Comment3 ""\r |
| 15 | Comment4 ""\r |
| 16 | $EndDescr\r |
| 17 | $Comp\r |
| 18 | L dk_Transistors-Bipolar-BJT-Single:2N2222 Q1\r |
| 19 | U 1 1 5D5E29A2\r |
| 20 | P 2475 2125\r |
| 21 | F 0 "Q1" V 2822 2125 60 0000 C CNN\r |
| 22 | F 1 "2N2222" V 2716 2125 60 0000 C CNN\r |
| 23 | F 2 "digikey-footprints:TO-18-3" H 2675 2325 60 0001 L CNN\r |
| 24 | F 3 "https://www.centralsemi.com/get_document.php?cmp=1&mergetype=pd&mergepath=pd&pdf_id=2N2221.PDF" H 2675 2425 60 0001 L CNN\r |
| 25 | F 4 "2N2222CS-ND" H 2675 2525 60 0001 L CNN "Digi-Key_PN"\r |
| 26 | F 5 "2N2222" H 2675 2625 60 0001 L CNN "MPN"\r |
| 27 | F 6 "Discrete Semiconductor Products" H 2675 2725 60 0001 L CNN "Category"\r |
| 28 | F 7 "Transistors - Bipolar (BJT) - Single" H 2675 2825 60 0001 L CNN "Family"\r |
| 29 | F 8 "https://www.centralsemi.com/get_document.php?cmp=1&mergetype=pd&mergepath=pd&pdf_id=2N2221.PDF" H 2675 2925 60 0001 L CNN "DK_Datasheet_Link"\r |
| 30 | F 9 "/product-detail/en/central-semiconductor-corp/2N2222/2N2222CS-ND/4806844" H 2675 3025 60 0001 L CNN "DK_Detail_Page"\r |
| 31 | F 10 "TRANS NPN 30V 0.8A TO-18" H 2675 3125 60 0001 L CNN "Description"\r |
| 32 | F 11 "Central Semiconductor Corp" H 2675 3225 60 0001 L CNN "Manufacturer"\r |
| 33 | F 12 "Active" H 2675 3325 60 0001 L CNN "Status"\r |
| 34 | 1 2475 2125\r |
| 35 | 0 -1 -1 0 \r |
| 36 | $EndComp\r |
| 37 | Text GLabel 2475 2925 2 39 Input ~ 0\r |
| 38 | CMOS_Square_Wave\r |
| 39 | Text GLabel 1700 2025 0 39 Input ~ 0\r |
| 40 | Discount_Function_Generator_Output\r |
| 41 | Wire Wire Line\r |
| 42 | 1700 2025 1775 2025\r |
| 43 | $Comp\r |
| 44 | L Device:R_US R1\r |
| 45 | U 1 1 5D5E331F\r |
| 46 | P 2475 2575\r |
| 47 | F 0 "R1" H 2543 2621 50 0000 L CNN\r |
| 48 | F 1 "10k" H 2543 2530 50 0000 L CNN\r |
| 49 | F 2 "" V 2515 2565 50 0001 C CNN\r |
| 50 | F 3 "~" H 2475 2575 50 0001 C CNN\r |
| 51 | 1 2475 2575\r |
| 52 | 1 0 0 -1 \r |
| 53 | $EndComp\r |
| 54 | Wire Wire Line\r |
| 55 | 2475 2425 2475 2375\r |
| 56 | Wire Wire Line\r |
| 57 | 2475 2725 2475 2775\r |
| 58 | $Comp\r |
| 59 | L power:GND #PWR03\r |
| 60 | U 1 1 5D5E33E5\r |
| 61 | P 1775 2375\r |
| 62 | F 0 "#PWR03" H 1775 2125 50 0001 C CNN\r |
| 63 | F 1 "GND" H 1780 2202 50 0000 C CNN\r |
| 64 | F 2 "" H 1775 2375 50 0001 C CNN\r |
| 65 | F 3 "" H 1775 2375 50 0001 C CNN\r |
| 66 | 1 1775 2375\r |
| 67 | 1 0 0 -1 \r |
| 68 | $EndComp\r |
| 69 | $Comp\r |
| 70 | L power:+VDC #PWR04\r |
| 71 | U 1 1 5D5E3B42\r |
| 72 | P 3450 1925\r |
| 73 | F 0 "#PWR04" H 3450 1825 50 0001 C CNN\r |
| 74 | F 1 "+VDC" H 3450 2200 50 0000 C CNN\r |
| 75 | F 2 "" H 3450 1925 50 0001 C CNN\r |
| 76 | F 3 "" H 3450 1925 50 0001 C CNN\r |
| 77 | 1 3450 1925\r |
| 78 | 1 0 0 -1 \r |
| 79 | $EndComp\r |
| 80 | $Comp\r |
| 81 | L power:-VDC #PWR02\r |
| 82 | U 1 1 5D5E3B97\r |
| 83 | P 1775 1800\r |
| 84 | F 0 "#PWR02" H 1775 1700 50 0001 C CNN\r |
| 85 | F 1 "-VDC" H 1775 2075 50 0000 C CNN\r |
| 86 | F 2 "" H 1775 1800 50 0001 C CNN\r |
| 87 | F 3 "" H 1775 1800 50 0001 C CNN\r |
| 88 | 1 1775 1800\r |
| 89 | 1 0 0 -1 \r |
| 90 | $EndComp\r |
| 91 | Wire Wire Line\r |
| 92 | 1775 1800 1775 2025\r |
| 93 | Connection ~ 1775 2025\r |
| 94 | Wire Wire Line\r |
| 95 | 1775 2375 1775 2025\r |
| 96 | $Comp\r |
| 97 | L Device:R_US R3\r |
| 98 | U 1 1 5D5E4126\r |
| 99 | P 2975 2025\r |
| 100 | F 0 "R3" V 2770 2025 50 0000 C CNN\r |
| 101 | F 1 "10K" V 2861 2025 50 0000 C CNN\r |
| 102 | F 2 "" V 3015 2015 50 0001 C CNN\r |
| 103 | F 3 "~" H 2975 2025 50 0001 C CNN\r |
| 104 | 1 2975 2025\r |
| 105 | 0 1 1 0 \r |
| 106 | $EndComp\r |
| 107 | Wire Wire Line\r |
| 108 | 2825 2025 2675 2025\r |
| 109 | Wire Wire Line\r |
| 110 | 3125 2025 3450 2025\r |
| 111 | Wire Wire Line\r |
| 112 | 3450 2025 3450 1925\r |
| 113 | $Comp\r |
| 114 | L Device:C C5\r |
| 115 | U 1 1 5D5E422C\r |
| 116 | P 2850 2575\r |
| 117 | F 0 "C5" H 2965 2621 50 0000 L CNN\r |
| 118 | F 1 "100nF" H 2965 2530 50 0000 L CNN\r |
| 119 | F 2 "" H 2888 2425 50 0001 C CNN\r |
| 120 | F 3 "~" H 2850 2575 50 0001 C CNN\r |
| 121 | 1 2850 2575\r |
| 122 | 1 0 0 -1 \r |
| 123 | $EndComp\r |
| 124 | Wire Wire Line\r |
| 125 | 2475 2775 2850 2775\r |
| 126 | Wire Wire Line\r |
| 127 | 2850 2775 2850 2725\r |
| 128 | Connection ~ 2475 2775\r |
| 129 | Wire Wire Line\r |
| 130 | 2475 2775 2475 2925\r |
| 131 | Wire Wire Line\r |
| 132 | 2850 2425 2850 2375\r |
| 133 | Wire Wire Line\r |
| 134 | 2850 2375 2475 2375\r |
| 135 | Connection ~ 2475 2375\r |
| 136 | Wire Wire Line\r |
| 137 | 2475 2375 2475 2325\r |
| 138 | $Comp\r |
| 139 | L Device:R_US R2\r |
| 140 | U 1 1 5D5E45E2\r |
| 141 | P 2025 2025\r |
| 142 | F 0 "R2" V 1820 2025 50 0000 C CNN\r |
| 143 | F 1 "470" V 1911 2025 50 0000 C CNN\r |
| 144 | F 2 "" V 2065 2015 50 0001 C CNN\r |
| 145 | F 3 "~" H 2025 2025 50 0001 C CNN\r |
| 146 | 1 2025 2025\r |
| 147 | 0 1 1 0 \r |
| 148 | $EndComp\r |
| 149 | Wire Wire Line\r |
| 150 | 1775 2025 1875 2025\r |
| 151 | Wire Wire Line\r |
| 152 | 2175 2025 2275 2025\r |
| 153 | $EndSCHEMATC\r |